average density of recycled concrete aggregate

Effects of Elevated Temperature on Concrete with Recycled Coarse

RCA also consisting of low density cement paste. When the particle size of recycle aggregate is increased, the volume percentage of residual mortar will increase this invariably reduces the specific gravity and the density of the aggregate particles. The average water absorption rate of the recycled coarse aggregate is&nbsp

Study of recycled concrete aggregate quality and mater construcc

The SSD density of the recycled concrete aggre gate ranges from 2150 to 2680 kg/m³. The density values of recycled coarse aggregate vary from 2280 to 2680 kg/m³, higher than that of fine aggregate. This recycled coarse aggregate presents an average value of 2397 kg/m³ for a particle size under 16 mm and 2458 kg/m³&nbsp

Sand Cement Brick Containing Recycled Concrete Aggregate as

concrete aggregate. An experiment done by comparing the result of control specimen using natural sand with recycled concrete aggregate replacement specimen by replacement of natural sand by recycled concrete aggregate at the level of . The average density of sand cement brick with recycled fine aggregate.

Construction Aggregate Calculator Vulcan Materials Company

Construction Aggregate Calculator. Enter the width, length, thickness, and product density and hit the "Calculate" button to calculate your estimate. If you do not know the product density, use the optional density estimator* or contact a local sales representative.

Natural aggregate totally replacement by mechanically De Gruyter

Compressive strength testing intervals for samples with recycled concrete aggregates were 2, 7, 14 and 28 days. The amount of water in the mixtures was indiive. For mixture resulting consistency required slump grade S3 was followed. Average density of all samples is in the range of 2250 kg/m3 to 2350 kg/m3.

Recycled Asphalt Pavement and Crushed Concrete Backfill: Results

recycled asphalt pavement (RAP) and crushed concrete (CC) as backfill for mechanically stabilized earth (MSE) nuclear gauges, when used to measure the compacted density and water content of RAP and CC in the field, are specific gravity of the composite material was then computed as a weighted average of.

The influence of percentage replacement on the aggregate and

The influence of percentage replacement on the aggregate and concrete properties from commercially produced coarse recycled concrete aggregate by. Derick Wade Immelman. March 2013. Thesis presented in fulfilment of the requirements for the degree of. Master of Science in the Faculty of Civil Engineering at the&nbsp

properties of recycled aggregate concrete savremeniMaterijalifo

density of recycled aggregate was on the average by. 10% lower compared to the bulk density of natural aggregates [6,9,10]. 2.5. Crushing and abrasion resistance. Mechanical properties of recycled aggregate are primarily dependent on the quality of the original cement mortar present in the aggregate, and also, as.

Using Recycled Concrete as Aggregate in Purdue ePubs

Figure D.2 Comparison between volume and pressure method results of % air in fresh concrete. 46. Figure D.3 Average air dry density of concrete with different percentage of RCA. 49. Figure D.4 Compressive strengths of concrete with different type of natural aggregates. 49. Figure D.5 Flexural strength of plain and fly ash&nbsp

Sand Cement Brick Containing Recycled Concrete Aggregate as

concrete aggregate. An experiment done by comparing the result of control specimen using natural sand with recycled concrete aggregate replacement specimen by replacement of natural sand by recycled concrete aggregate at the level of . The average density of sand cement brick with recycled fine aggregate.

The Effects of Different Fine Recycled Concrete Aggregates on the

May 18, 2015 Florea and Brouwers [22] investigated the influence of concrete crushing method on the particle size distribution and density of recycled concrete aggregate (RCA). As a standard, they adopted concrete with compressive strength of 60 MPa at 91 days, to which they applied three methods for the crushing of&nbsp

Study of recycled concrete aggregate quality and mater construcc

The SSD density of the recycled concrete aggre gate ranges from 2150 to 2680 kg/m³. The density values of recycled coarse aggregate vary from 2280 to 2680 kg/m³, higher than that of fine aggregate. This recycled coarse aggregate presents an average value of 2397 kg/m³ for a particle size under 16 mm and 2458 kg/m³&nbsp

Using Recycled Concrete as Aggregate in Purdue ePubs

Figure D.2 Comparison between volume and pressure method results of % air in fresh concrete. 46. Figure D.3 Average air dry density of concrete with different percentage of RCA. 49. Figure D.4 Compressive strengths of concrete with different type of natural aggregates. 49. Figure D.5 Flexural strength of plain and fly ash&nbsp

Recycled Asphalt Pavement and Crushed Concrete Backfill: Results

recycled asphalt pavement (RAP) and crushed concrete (CC) as backfill for mechanically stabilized earth (MSE) nuclear gauges, when used to measure the compacted density and water content of RAP and CC in the field, are specific gravity of the composite material was then computed as a weighted average of.

Evaluation of Recycled Concrete for Use as Aggregates in New

Apr 1, 2014 ABSTRACT. This study evaluated the use of recycled concrete as coarse aggregate in new concrete pavements. Recycled concrete aggregate (RCA) produced from demolished pavements in three geographically concrete including slump, air content by the pressure method, and density. Slump and&nbsp

Mechanical Properties of Concrete Containing Recycled Concrete

used 25%, 35%, and 45% recycled concrete aggregate (RCA) and ceramic waste as coarse aggregate in producing . Density of concrete. The control (normal) concrete has a 2.3 kg/m3 density. The average density of the first batch of concrete was around 2.1 kg/m3, which was lower than that of the control concrete.

HighStrength Structural Concrete with Recycled Aggregates

on the properties of concrete with recycled aggregates, as an alternative material to coarse aggregate in structural The average particle density of natural aggregate is 2900kg/m. 3 but average particle density of recycled aggregate is only 2300kg/m. 3 . This mean recycled aggregate is lighter than natural aggregate.

Strength and Durability Evaluation of Recycled Aggregate Concrete

Several concrete mixes were prepared with 100 % recycled aggregates and the results were compared to that of a control mix. SEM was conducted to examine the microstructure of selected mixes. The results showed that concrete with acceptable strength and durability could be produced if high packing density is achieved&nbsp

Properties Evaluation of Concrete Using Local Used DiVA portal

Results and Discussion. The average bulk density of concrete made with recycled aggregates was found to be 1912 kg/m3 and same for the regular concrete was found as 2280 kg/m3. The bulk density of recycled aggregate concrete was calculated to be 16% less as compared to regular concrete. The summary of moisture&nbsp

Properties of various size fractions of crushed concrete related to

Recycled concrete aggregates are mainly used for road construction, but another interesting appliion would be their with properties (particle size distribution, density, thermal treatment reaction, oxide and mineralogical composition) of a large . 91 days. Average compressive strengths of three cubes were obtained.

Properties of Bricks Produced With Recycled Fine Aggregate waset

mixing recycledaggregate concrete and clay bricks broken in The mixes constituted cement, water, fine natural sand, laterite soil, and recycled fine aggregate. The cement used complies with the Ordinary Portland cement (OPC) according to British . average density of cement and sand bricks with recycled fine.

use of contaminated recycled aggregates for concrete CiteSeerX

density of 3130 kg/m3 and average compressive strength at 28 days of 64 MPa, was used for all concrete mixtures. It is one of the most frequent cements for concrete structures in Belgium, with a relatively low hydration rate and a limited content in sulphates. Four Natural Aggregates (NA) fractions (coarse NG: 2/7, 7/14 and&nbsp

Mechanical Properties of Concrete Containing Recycled Concrete

used 25%, 35%, and 45% recycled concrete aggregate (RCA) and ceramic waste as coarse aggregate in producing . Density of concrete. The control (normal) concrete has a 2.3 kg/m3 density. The average density of the first batch of concrete was around 2.1 kg/m3, which was lower than that of the control concrete.

Strength and Durability Evaluation of Recycled Aggregate Concrete

Several concrete mixes were prepared with 100 % recycled aggregates and the results were compared to that of a control mix. SEM was conducted to examine the microstructure of selected mixes. The results showed that concrete with acceptable strength and durability could be produced if high packing density is achieved&nbsp

Impact of Recycled Aggregates on Selected Science Direct

unequivocally define the criteria for the suitability of different types of recycled aggregates to the production of concrete. The article presents and compares the most . Analyzing the data in Table 3 it can be observed that the average value of bulk density in loose state for the natural aggregate is approx. 30% higher than for&nbsp

influence of recycled concrete aggregates on ssrgjournals

conducted by replacing the recycled concrete aggregates by 0,25,50,75 and 100 % replacement of natural aggregates. The compressive strength test of cubes, split tensile strength tensile strength and hardened density of concrete made with RCA . days and their average density was calculated for each concrete mix.

Engineering properties of concrete made from gravels obtained in

Mar 27, 2017 Sieves analysis, density, water absorption were carried out on aggregates, while compressive, flexural and splittensile strengths of the concrete were determined for 28 days using ASTM and BS methods. High concrete strengths resulted from high FM, low AAV and average Gs of gravels. Gravel loion&nbsp